CN109021590A - Metalizing polypropylene thin film capacitor modified polar filler material - Google Patents
Metalizing polypropylene thin film capacitor modified polar filler material Download PDFInfo
- Publication number
- CN109021590A CN109021590A CN201810697644.9A CN201810697644A CN109021590A CN 109021590 A CN109021590 A CN 109021590A CN 201810697644 A CN201810697644 A CN 201810697644A CN 109021590 A CN109021590 A CN 109021590A
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- China
- Prior art keywords
- epoxidized soybean
- soybean oil
- vacuum
- oil
- filler material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
Abstract
The present invention relates to a kind of metalizing polypropylene thin film capacitor modified polar filler materials, characterized in that is made of following processing step: (1) crude oil preheats；(2) vacuum is refined；(3) filler material is modified: the mixed solution of antioxidant 1010 and antioxidant 168 being added in the epoxidized soybean oil refined to step (2) vacuum, the temperature of modification is 160 ~ 180 DEG C, and the processing time is 2 ~ 3 hours；(4) circulation refinement being carried out through step (3) modified obtained epoxidized soybean oil and making its stabilization, stabilizer is added in extractive process, refining temperature is 70 ~ 80 DEG C, and the processing time is 1-2 hours；(5) to through step (4) treated epoxidized soybean oil is vacuum-treated and recycled refinement, vacuum level requirements are≤200Pa, and temperature is 80 ± 5 DEG C, and the processing time is 1-1.5 hours.The present invention has apparent polar character, dissimilar with nonpolar polypropylene film structure, and capacity cell is avoided Swelling occur.
Description
Technical field
The present invention relates to a kind of filler material, especially a kind of metalizing polypropylene thin film capacitor is filled with modified polar
Material.
Background technique
Traditional metalizing polypropylene thin film capacitor is using the mixture of both salad oil and polyisobutene as capacitor
Device filler material, but two kinds of substances respectively have advantage and disadvantage.Wherein salad oil is polar substances, though with nonpolar polypropylene basement membrane
It " does not mix ", but its inoxidizability is poor, easily chemically reacts, acid value is caused to rise, corrode coating.And polyisobutene is non-
Polar substances, and are all nonpolar polypropylene basement membrane " mixing ", easily make capacitor core body in capacitor long-term use process
Obvious swelling occurs for outer layer, to influence the service life of capacitor.
It was gradually increased with the development of science and technology with living standard in recent years, user is to the quality requirement of product also not
It is disconnected to improve, thus service life of the market to metalizing polypropylene thin film capacitor, higher requirements are also raised.And it is golden as influencing
One of main cause of the final service life of categoryization polypropylene film capacitor, the update for filling oil are imperative.
Epoxidized soybean oil is used as always nontoxic polyvinyl chloride plasticizer and stabilizer to be widely used, and also progresses into recently
Capacitor filler material industry, although conventional epoxidized soybean oil volatility is low, migration is small, has excellent heat through on probation
Stability, photostability, water resistance and oil resistivity can assign the good mechanical strength of product, weatherability and electrical property, and nontoxic
Property.But its as metalizing polypropylene thin film capacitor filler material in use, it causes pole to the insulation performance of capacitor
Big adverse effect, or even it is unable to satisfy the metallized polypropylene film capacitor of 2000 M Ω (500VDC) of shell pole insulation resistance >
Device common industry standard.In addition, moisture content is higher in epoxidized soybean oil, conventional vacuum refining equipment can not be by its moisture content
It refines within the scope of metalizing polypropylene thin film capacitor available standards, and the moisture content of filler material has the service life of capacitor
Strong influence.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, a kind of metalizing polypropylene thin film capacitor is provided
With modified polar filler material, there is apparent polar character, it is dissimilar with nonpolar polypropylene film structure, avoid capacitor first
There is Swelling in part.
According to technical solution provided by the invention, a kind of metalizing polypropylene thin film capacitor modified polar filler material,
It is characterized in that being made of following processing step:
(1) crude oil preheats: the crude oil of epoxidized soybean oil being heated to whole oil and is converted into liquid；
(2) vacuum is refined: will carry out vacuum refinement processing, vacuum level requirements through the epoxidized soybean oil after step (1) the pre-heat treatment
For≤50Pa, refining temperature is 80 ± 5 DEG C, and the processing time is actual measurement epoxidized soybean oil moisture content lower than until 100ppm；
(3) filler material is modified: antioxidant 1010 and anti-oxidant being added in the epoxidized soybean oil refined to step (2) vacuum
The mixed solution of agent 168, the temperature of modification are 160 ~ 180 DEG C, and the processing time is 2 ~ 3 hours；The antioxidant 1010
Additional amount be 2.5-3g/L, the additional amount of antioxidant 168 is 1.5-2g/L；
(4) tank that crouches refines: will carry out circulation refinement through step (3) modified obtained epoxidized soybean oil and makes its stabilization, is refining
Stabilizer is added in the process, refining temperature is 70 ~ 80 DEG C, and the processing time is 1-2 hours；The additional amount of the stabilizer is 4.5-
5.2g/L；
(5) circulating tank refines: to through step (4), treated that epoxidized soybean oil is vacuum-treated and recycles refinement, vacuum degree
It is required that temperature is 80 ± 5 DEG C for≤200Pa, the processing time is 1-1.5 hours.
Further, the process of step (1) the crude oil the pre-heat treatment is that the crude oil of epoxidized soybean oil is placed in vacuum refining
Heated in oil machine, temperature be 70 ~ 80 DEG C, processing into epoxidized soybean oil without solid matter until.
Further, the stabilizer is antioxidant DLTP.
Metalizing polypropylene thin film capacitor of the present invention modified polar filler material, it is special with apparent polarity
Property, it is dissimilar with nonpolar polypropylene-base membrane structure, therefore " mixing " phenomenon will not occur, i.e., capacity cell is not in substantially
Swelling, this characteristic are of great advantage to the service life that capacitor is substantially improved.According to the current test data of our company, metal
The service life for changing polypropylene film capacitor can promote about 40 ~ 50%.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Embodiment one: a kind of metalizing polypropylene thin film capacitor modified polar filler material, using following processing step
Production:
(1) crude oil preheats: the crude oil of epoxidized soybean oil being placed in vacuum oil refining device and is heated, temperature is 70 DEG C, place
Reason is until whole oil are converted into liquid without solid matter into epoxidized soybean oil；
(2) vacuum is refined: will be carried out at vacuum refinement in the oil refining device of high-altitude through the epoxidized soybean oil after step (1) the pre-heat treatment
Reason, vacuum level requirements are≤50Pa, and refining temperature is 75 DEG C, and the processing time is that actual measurement epoxidized soybean oil moisture content is lower than
Until 100ppm；
(3) filler material is modified: antioxidant 1010 (four [first being added in the epoxidized soybean oil refined to step (2) vacuum
Base-β-(3,5- di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester) and (2, the 4- di-t-butyls of antioxidant 168(tri-
Phenyl) phosphite ester) mixed solution, the temperature of modification is 160 DEG C, and the processing time is 3 hours；The antioxidant
1010(tetra- [methyl-β-(3,5- di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester) additional amount be 2.96g/L,
Antioxidant 168(tri- (2,4- di-tert-butyl-phenyl) phosphite ester) additional amount be 1.97g/L；
(4) tank that crouches refines: will carry out circulation refinement through step (3) modified obtained epoxidized soybean oil and makes its stabilization, is refining
Antioxidant DLTP(dilauryl thiodipropionate is added in the process) it is used as the modified stabilizer of epoxidized soybean oil, refine temperature
Degree is 70 DEG C, and the processing time is 2 hours；The antioxidant DLTP(dilauryl thiodipropionate) additional amount be 4.93
g/L；
(5) circulating tank refines: to through step (4), treated that epoxidized soybean oil is vacuum-treated and recycles refinement, vacuum degree
It is required that temperature is 75 DEG C for≤200Pa, the processing time is 1.5 hours.
Embodiment two: a kind of metalizing polypropylene thin film capacitor modified polar filler material, using following processing step
Production:
(1) crude oil preheats: the crude oil of epoxidized soybean oil being placed in vacuum oil refining device and is heated, temperature is 80 DEG C, place
Reason is until whole oil are converted into liquid without solid matter into epoxidized soybean oil；
(2) vacuum is refined: will be carried out at vacuum refinement in the oil refining device of high-altitude through the epoxidized soybean oil after step (1) the pre-heat treatment
Reason, vacuum level requirements are≤50Pa, and refining temperature is 85 DEG C, and the processing time is that actual measurement epoxidized soybean oil moisture content is lower than
Until 100ppm；
(3) filler material is modified: antioxidant 1010 (four [first being added in the epoxidized soybean oil refined to step (2) vacuum
Base-β-(3,5- di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester) and (2, the 4- di-t-butyls of antioxidant 168(tri-
Phenyl) phosphite ester) mixed solution, the temperature of modification is 180 DEG C, and the processing time is 2 hours；The antioxidant
1010(tetra- [methyl-β-(3,5- di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester) additional amount be 2.6g/L, resist
Oxidant 168(tri- (2,4- di-tert-butyl-phenyl) phosphite ester) additional amount be 1.6g/L；
(4) tank that crouches refines: will carry out circulation refinement through step (3) modified obtained epoxidized soybean oil and makes its stabilization, is refining
Antioxidant DLTP(dilauryl thiodipropionate is added in the process) it is used as the modified stabilizer of epoxidized soybean oil, refine temperature
Degree is 80 DEG C, and the processing time is 1 hour；The antioxidant DLTP(dilauryl thiodipropionate) additional amount be 4.6 g/
L；
(5) circulating tank refines: to through step (4), treated that epoxidized soybean oil is vacuum-treated and recycles refinement, vacuum degree
It is required that temperature is 85 DEG C for≤200Pa, the processing time is 1 hour.
Embodiment three: a kind of metalizing polypropylene thin film capacitor modified polar filler material, using following processing step
Production:
(1) crude oil preheats: the crude oil of epoxidized soybean oil being placed in vacuum oil refining device and is heated, temperature is 75 DEG C, place
Reason is until whole oil are converted into liquid without solid matter into epoxidized soybean oil；
(2) vacuum is refined: will be carried out at vacuum refinement in the oil refining device of high-altitude through the epoxidized soybean oil after step (1) the pre-heat treatment
Reason, vacuum level requirements are≤50Pa, and refining temperature is 80 DEG C, and the processing time is that actual measurement epoxidized soybean oil moisture content is lower than
Until 100ppm；
(3) filler material is modified: antioxidant 1010 (four [first being added in the epoxidized soybean oil refined to step (2) vacuum
Base-β-(3,5- di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester) and (2, the 4- di-t-butyls of antioxidant 168(tri-
Phenyl) phosphite ester) mixed solution, the temperature of modification is 160 DEG C, and the processing time is 2.5 hours；The antioxidant
1010(tetra- [methyl-β-(3,5- di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester) additional amount be 3g/L, antioxygen
Agent 168(tri- (2,4- di-tert-butyl-phenyl) phosphite ester) additional amount be 2g/L；
(4) tank that crouches refines: will carry out circulation refinement through step (3) modified obtained epoxidized soybean oil and makes its stabilization, is refining
Antioxidant DLTP(dilauryl thiodipropionate is added in the process) it is used as the modified stabilizer of epoxidized soybean oil, refine temperature
Degree is 75 DEG C, and the processing time is 1.5 hours；The antioxidant DLTP(dilauryl thiodipropionate) additional amount be
5.2g/L；
(5) circulating tank refines: to through step (4), treated that epoxidized soybean oil is vacuum-treated and recycles refinement, vacuum degree
It is required that temperature is 80 DEG C for≤200Pa, the processing time is 1.2 hours.
Metalizing polypropylene thin film capacitor of the present invention modified polar filler material, it is special with apparent polarity
Property, it is dissimilar with nonpolar polypropylene-base membrane structure, therefore " mixing " phenomenon will not occur, i.e., capacity cell is not in substantially
Swelling, this characteristic are of great advantage to the service life that capacitor is substantially improved.According to the current test data of our company, metal
The service life for changing polypropylene film capacitor can promote about 40 ~ 50%.
In addition, the modified polar filler material is after the refining of novel high vacuum oil refining device, moisture content is can be controlled in
100ppm is hereinafter, meet requirement of the metalizing polypropylene thin film capacitor to filler material moisture.Meanwhile the filler material is changing
Property treatment process in the peroxide that generates of the hydrogen atom that releases of the antioxidant that is added and epoxidized soybean oil Auto-oxidation reaction
Compound combines, and has interrupted chain reaction, has prevented continuing for oxidation process, to reduce epoxidized soybean oil to metallization
The influence of polypropylene film capacitor insulation performance, so that the shell pole insulation resistance of capacitor can reach 5000 ~ 10000 M Ω
(500VDC) meets the metalizing polypropylene thin film capacitor generic industry of 2000 M Ω (500VDC) of shell pole insulation resistance >
Standard.
In addition, the filler material has lower viscosity, it is easier to flow, internal heat dissipates when being conducive to capacitor use
Hair, facilitate the stabilization of inner core of capacitor temperature, and be conducive to promoted capacitor can bearing temperature, make its high temperature resistance more
Add excellent.In addition, this kind of filler material is heat-resisting, fast light, good weatherability, excellent electrical property, in summary characteristic can make capacitor
Performance is more stable.
Claims (3)
1. a kind of metalizing polypropylene thin film capacitor modified polar filler material, characterized in that use following processing step system
Make:
(1) crude oil preheats: the crude oil of epoxidized soybean oil being heated to whole oil and is converted into liquid；
(2) vacuum is refined: will carry out vacuum refinement processing, vacuum level requirements through the epoxidized soybean oil after step (1) the pre-heat treatment
For≤50Pa, refining temperature is 80 ± 5 DEG C, and the processing time is actual measurement epoxidized soybean oil moisture content lower than until 100ppm；
(3) filler material is modified: antioxidant 1010 and anti-oxidant being added in the epoxidized soybean oil refined to step (2) vacuum
The mixed solution of agent 168, the temperature of modification are 160 ~ 180 DEG C, and the processing time is 2 ~ 3 hours；The antioxidant 1010
Additional amount be 2.5-3g/L, the additional amount of antioxidant 168 is 1.5-2g/L；
(4) tank that crouches refines: will carry out circulation refinement through step (3) modified obtained epoxidized soybean oil and makes its stabilization, is refining
Stabilizer is added in the process, refining temperature is 70 ~ 80 DEG C, and the processing time is 1-2 hours；The additional amount of the stabilizer is 4.5-
5.2g/L；
(5) circulating tank refines: to through step (4), treated that epoxidized soybean oil is vacuum-treated and recycles refinement, vacuum degree
It is required that temperature is 80 ± 5 DEG C for≤200Pa, the processing time is 1-1.5 hours.
2. metalizing polypropylene thin film capacitor as described in claim 1 modified polar filler material, it is characterized in that: the step
Suddenly the process of (1) crude oil the pre-heat treatment is that the crude oil of epoxidized soybean oil is placed in vacuum oil refining device and is heated, temperature
Be 70 ~ 80 DEG C, processing into epoxidized soybean oil without solid matter until.
3. metalizing polypropylene thin film capacitor as described in claim 1 modified polar filler material, it is characterized in that: described steady
Determining agent is antioxidant DLTP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697644.9A CN109021590A (en) | 2018-06-29 | 2018-06-29 | Metalizing polypropylene thin film capacitor modified polar filler material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697644.9A CN109021590A (en) | 2018-06-29 | 2018-06-29 | Metalizing polypropylene thin film capacitor modified polar filler material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109021590A true CN109021590A (en) | 2018-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810697644.9A Pending CN109021590A (en) | 2018-06-29 | 2018-06-29 | Metalizing polypropylene thin film capacitor modified polar filler material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51118099A (en) * | 1975-04-10 | 1976-10-16 | Matsushita Electric Ind Co Ltd | Condenser |
| US4642731A (en) * | 1986-06-16 | 1987-02-10 | Emhart Industries, Inc. | Dielectric fluid for a capacitor |
| US4931900A (en) * | 1988-05-10 | 1990-06-05 | Magnetek Universal Mfg., Corp. | Dielectric fluid for a metallized film capacitor |
| CN101281818A (en) * | 2007-04-03 | 2008-10-08 | 宁波保税区宁容投资有限公司 | Thin film metallized capacitor |
-
2018
- 2018-06-29 CN CN201810697644.9A patent/CN109021590A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51118099A (en) * | 1975-04-10 | 1976-10-16 | Matsushita Electric Ind Co Ltd | Condenser |
| US4642731A (en) * | 1986-06-16 | 1987-02-10 | Emhart Industries, Inc. | Dielectric fluid for a capacitor |
| US4931900A (en) * | 1988-05-10 | 1990-06-05 | Magnetek Universal Mfg., Corp. | Dielectric fluid for a metallized film capacitor |
| CN101281818A (en) * | 2007-04-03 | 2008-10-08 | 宁波保税区宁容投资有限公司 | Thin film metallized capacitor |
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Application publication date: 20181218 |